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Individual Calculations December 2018 |
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| Allaire, David Total change: 142.80 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1229 | 4.50 | 9 | 3.57 | 40 | 142.80 | |
|  Jain, Anshika | | | 1629 * | AUS | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Brand, Peter | | | 1629 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Stern, David | | | 1624 | AUS | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Woodward, Michael R | | | 1629 * | AUS | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Macfarlane, John D | | | 1629 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Case, Ivan | | | 1629 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Paul, Frank | | | 1629 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chegwidden, Lindsay | | | 1435 | AUS | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Creek, Peter | | | 1554 | AUS | 1.00 | 1 | 0.87 | 40 | 34.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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